Architecture of Community Based ICT Infrastructure Onno W. Purbo Onno@indo.net.id

References http://sandbox.bellanet.org/~onno/ http://www.apjii.or.id/onno/ Mailing List wifi4d@dgroups.org

After 10+ Years .. 4+ Million Indonesian Internet Users 2500+ WiFi outdoor installations 2000+ CyberCafes 1500+ schools on the Internet Not much gov’t funding & support No World Bank, IMF funding Mostly self-finance

The Architecture

Key Features Don’t Have To Rely On Telco’s Existance

Key Features Use “Unlicensed” Band 2.4GHz & 5.8GHz

2.4GHz Usage in Indonesia 2500+ Installations Virtual No Government Support Definitely No World Bank Funding All Community based 2500+ Internet Cafes / Telecenters 1500+ Schools

Key Features Neighborhood Network To Reduce Cost

Let Us See Some Details

Details US$70-80 Taiwan Made Access Point

Details US$30-50 WLAN Cards

Details US$10-30 Homebrew Antenna

US$200 Internet Telephony Gateway

16 lines Office PBX

Some Details on VoIP Freeware Gatekeeper (Phone Switch) PC to PC PC to Internet Telephony Gateway (ITG) PC to PBX Use Telco Phone Number  ..

Some Indonesian Facts 2500+ Registered Users 2-3 Times Unregistered Users 150+ Gatekeepers (Phone Switches) Major Gatekeepers Handle 1000 calls / day All home made by volunteers  .. All Started First Week January 2003

Traditional & Legal Setup

Traditional & Legal Setup Home Made Gatekeeper Using Free Software

Create Number 6288 Area Code

The GNU “Free” Gatekeeper

Status Port of Gatekeeper

Connect Internet Telephony Gateway

“Borrow” Telco Number 021 5553333

Danger Zone